[ja] fix wrong path

Author: Arhell

content/ja/docs/setup/production-environment/tools/kubeadm/setup-ha-etcd-with-kubeadm.md

@@ -242,8 +242,8 @@ this example.
 
     ```sh
     root@HOST0 $ kubeadm init phase etcd local --config=/tmp/${HOST0}/kubeadmcfg.yaml
-    root@HOST1 $ kubeadm init phase etcd local --config=/tmp/${HOST1}/kubeadmcfg.yaml
-    root@HOST2 $ kubeadm init phase etcd local --config=/tmp/${HOST2}/kubeadmcfg.yaml
+    root@HOST1 $ kubeadm init phase etcd local --config=$HOME/kubeadmcfg.yaml
+    root@HOST2 $ kubeadm init phase etcd local --config=$HOME/kubeadmcfg.yaml
     ```
 
 1. Optional: Check the cluster health